
Judas Ear Cassidula
Ellobium aurisjudae
- Water temperature23–30 °C
- Best monthsJanuary, June, and August
- How commonRare
Photo credit: (c) Attila Oláh, some rights reserved (CC BY), uploaded by Attila Oláh · CC BY · iNaturalist
About this species
Ellobium aurisjudae is a species of gastropods belonging to the family Ellobiidae.
Text from the Wikipedia article “Ellobium aurisjudae”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 26 records
- February: 5 records
- March: 7 records
- April: 9 records
- May: 13 records
- June: 16 records
- July: 15 records
- August: 24 records
- September: 16 records
- October: 11 records
- November: 11 records
- December: 7 records
Depth and water temperature
Water temperature
Recorded in surface water of 23–30 °C
Photos

(c) Attila Oláh, some rights reserved (CC BY), uploaded by Attila Oláh · CC BY · iNaturalist 
(c) Attila Oláh, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Rod Lowther, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Judas Ear Cassidula
Names in 1 more languages
- French
- Auricule de Judas
Other scientific names: Auricula (Auricula) judae, Auricula aurisjudae, Auricula australiana, Auricula dactylus, Auricula percha, Auricula polita, Auricula reticulata, Auricula turrita, Bulla aurisjudae, Ellobium (Ellobium) aurisjudae, Ellobium dactylus, Ellobium labrosum, Ellobium politum, Ellobium subtile, Voluta aurisjudae
Similar species
Midas ear cassidulaEllobium aurismidae
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 244 open-data records from 1758 to 2010.
- Species data updated October 26, 2026.
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